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by pQd
635 days ago
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environment: KVM VMs running on physical hardware managed by us. we have a belt & suspenders approach: * backups of selected files / database dumps [ via dedicated tools like mysqldump or pg_dumpall ] from within VMs * backups of whole VMs backups of whole VMs are done by creating snapshot files via virsh snapshot-create-as, rsync followed by virsh blockcommit. this provides crash-consistant images of the whole virtual disks. we zero-fill virtual disks before each backup. all types of backups later go to borg backup[1] [ kopia[2] would be fine as well ] deduplicated, compressed repository. this approach is wasteful in terms of bandwidth, backup size but gives us peace of mind - even if we miss to take file-level backup of some folder - we'll have it in the VM-level backups. [1]: https://www.borgbackup.org/ [2]: https://kopia.io/ |
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